Xiphydriidae (Hymenoptera) of Tochigi Prefecture, Japan

抄録

Based on the examination of 117 specimens, 14 species of six genera of the family Xiphydriidae are recorded from Tochigi prefecture. Of these, four species, Euxiphydria leucopoda Takeuchi, 1938, Konowia kojimai Shinohara and Hara, 2021, Platyxiphydria miyakei Togashi, 1963, and Xiphydria annulitibia Takeuchi, 1936, are new to the fauna of Tochigi prefecture. The 14 species here treated account for 78% of the 18 xiphydriid species recorded in Honshu. Most of the species have been obtained from northwestern mountainous areas in the prefecture.